Base | Representation |
---|---|
bin | 11010001010111111… |
… | …111101111110010000 |
3 | 2200112110112210120211 |
4 | 122022333331332100 |
5 | 430023032002441 |
6 | 20524303413504 |
7 | 2013250413100 |
oct | 321277757620 |
9 | 80473483524 |
10 | 28101828496 |
11 | 10a10827755 |
12 | 55432b4294 |
13 | 285b0518b1 |
14 | 15082d9200 |
15 | ae717ca81 |
hex | 68affdf90 |
28101828496 has 45 divisors (see below), whose sum is σ = 63347227419. Its totient is φ = 12041629152.
The previous prime is 28101828481. The next prime is 28101828499. The reversal of 28101828496 is 69482810182.
The square root of 28101828496 is 167636.
It is a perfect power (a square), and thus also a powerful number.
It is a Harshad number since it is a multiple of its sum of digits (49).
It is not an unprimeable number, because it can be changed into a prime (28101828499) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4690815 + ... + 4696801.
Almost surely, 228101828496 is an apocalyptic number.
28101828496 is the 167636-th square number.
It is an amenable number.
28101828496 is an abundant number, since it is smaller than the sum of its proper divisors (35245398923).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28101828496 is an frugal number, since it uses more digits than its factorization.
28101828496 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11996 (or 5996 counting only the distinct ones).
The product of its (nonzero) digits is 442368, while the sum is 49.
Multiplying 28101828496 by its sum of digits (49), we get a square (1376989596304 = 11734522).
28101828496 divided by its sum of digits (49) gives a square (573506704 = 239482).
The spelling of 28101828496 in words is "twenty-eight billion, one hundred one million, eight hundred twenty-eight thousand, four hundred ninety-six".
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